Standard:
%a	armies carried by sender	%d	sender damage percentage
%s	sender shield percentage	%f	sender fuel percentage
%w	sender wtemp percentage	%e	sender etemp percentage
%t	team id character of target planet	%T	team id character of sender team
%c	sender id character	%n	armies on target planet
%E	1 if etemped, 0 if not	%W	1 if wtemped, 0 if not
%S	sender two character ship type	%p	id character of target player
%g	id char of target friendly player	%h	id char of target enemy player
%P	id character of player nearest sender	%G	id char of friendly player nearest sender
%H	id char of enemy player nearest sender	%l	three character name of target planet
%i	sender full player name (16 character max)	%u	full name of target player (16 character max)
%z	3 letter team id of target planet	%b	planet nearest sender
%o	three letter team name of sender	%k	number of kills sender has
%K	number of kills target player has	%*	if this is encountered, the macro IS NOT PRINTED
%(SPACE)	this is replaced by a space, mainly useful for starting a message
FULLY CAPITALIZED:
%L	three character name of target planet	%I	sender full player name (16 character max)
%U	full name of target player (16 character max)	%Z	3 letter team id of target planet
%B	sender nearest planet	%O	three letter team name of sender
Ping stats: (may differ slightly from server '!' ping stats)
%v	average ping stat round trip time	%V	ping stat round trip standard deviation
%y	percent total packet loss as calculated by server formula
Miscellanous:
%m	the last message you sent	%M	the last message you sent in all caps